On Thu, 23 Oct 2014 11:09:07 -0700
Dick Steffens <[email protected]> dijo:

>Get a second SD card and put it into the machine right when you take
>the other one out?

The machine looks for a special file that it puts on the card, and
which is updated every day that data is written to the card. If the
file is not there or is out of date the machine won't write more data
to the card until it formats the card, which wipes out all data and
puts a fresh special file on the card. And it waits 24 hours after
formatting the card, so you always lose a day's data when you change
cards. Also, the standard cards which come with the machine are 2 GB,
but it takes the machine nearly ten minutes to format it. Did I mention
that this machine is really stupid? It's also pig slow.

If and when I buy the Toshiba, when I put it into the machine it will
insist on formatting it. This is concern #1; if formatting the card
wipes out the wifi ability, then it will be impossible to use the
Toshiba card and I can stop now. However, googling turned up a couple
comments that this doesn't happen with the latest versions of the card. 

Bear in mind that the consumer is not supposed to be viewing the data.
Only a physician or specially anointed respiratory therapist is deemed
to be intelligent enough to understand it. Therefore, the only reason
there is a card is so I can take it to such a person and kneel before
them while they use proprietary software from the manufacturer to view
the data and make adjustments to the therapy by modifying the card. 
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